Oil-can.



No. 779,299. I PATENTED JAN. 3, 1905. W. MORRIS & G. A. MoGLAIR.

OIL CAN.

APPLICATION FILED AUG. 17, 1904.

Tias 19 5 J6 15 p J6 J8 13 3 14 i Z y 1 A M! 7 I :12! 6 WITNESSES.

UNITED STATES Patented January 3, 1905.

PATENT OFFICE.

OIL-CAN.

SPECIFICATION forming part of Letters Patent No. 779,299, dated January 3, 1905.

Application filed August 17, 1904. Serial No. 221,090.

To all whom it may concern:

Be it known that we, VVILBUR MORRIS and CHARLES A. MoOLAIR, citizens of the United States, and both residents of Index, in the county of Snohomish and State of Washington, have invented new and useful Improvements in Oil-Cans, of which the following is a full, clear, and exact description.

This invention relates to oil-cans such as used for the purpose of lubricating machinery.

The object of the invention is to provide a receptacle of this kind with improved means for controlling the delivery of the oil to the nozzle.

The invention consists in the construction and combination of parts to be more fully described hereinafter and definitely set forth in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar characters of reference indicate corresponding parts in both views.

Figure 1 is a substantially vertical section taken through a can constructed according to this invention, certain parts being broken away and partly shown in elevation; and Fig. 2 is a view somewhat similar to Fig. 1, but representing the parts of the device in a different position, which position would be assumed by the parts in expelling all the oil from the can. In this view the entire nozzle is shown and represented as disconnected.

Referring more particularly to the parts, 1

I represents the bodyof the can, which preferably consists, substantially, of a cylinder threaded at its upper extremity, as shown, to facilitate the attachment of a cap or cover 2. This cover 2 is preferably crowned, as shown, and is provided with a centrally disposed opening 8. Through the opening 3 a deliverytube 4 loosely passes, the lower end of which is provided with a threaded head 5, upon which a piston 6 is mounted, as shown. Obviously this tube 4 constitutes a piston-rod. This piston comprises two disks 7 and 8, which have threaded openings mounted upon the head 5, as will be readily understood, and these disks clamp between them a packinglow the piston with the interior of the delivery-tube 4.

In the upper portion of the can-body 1 above the piston 6 a spring 13 is provided, the same being preferably of spiral form, as shown, the

upper coils of the said spring being of reduced diameter and located, as shown, about the opening 8, thrusting against the under side of the cover 2, as will be readily understood. Toward its base the coils of the spring increase in diameter, as shown. From this arrangement it will be understood that the spring 13 tends to force the piston toward the bottom of the can-body. The motion of the piston in this direction, however, is controlled by the person using the can. To this end the outer surface of the tube 4 is provided with a helical thread 14, upon which thread there is mounted a threaded adjusting-wheel 15, the under face of the hub 16 whereof rests against the outer face of the cover at the opening? 'In this connection it should be understood that the diameter of the opening 3 is preferably plain and sufficiently large to permit the tube 4 to pass freely through the same, as stated above. From this arrangement it should be understood that if the adjustingwheel 15 is rotated in the proper direction the piston will be forced farther down into the oil-chamber 17 by reason of the spring 13. In this way the oil which is received Within the body of the can below the piston is forced up into the tube 4. The upper extremity of the tube 4 is provided with a threaded nipple 18, facilitating the attachment of a suitable nozzle 19, which is formed with a covered tip 20 of common form.

The operation of the can should be clearly understood from the foregoing. In this connection it should be also understood that whenever it is desired to check the flow of the oil through the nozzle 19 this can be done instantly by pulling the nozzle outwardly against the force of the spring, in this manner relieving the pressure within the oil-chamber below the piston. The same effect may be less quickly produced by reversing the movement of the adjusting-wheel. In order to facilitate the use of the oil-can, the same may be provided with ahandle 21 of common form. VVhen'it is desired to fill the can, this can be accomplished most expeditiously by removing the nozzle 19 and by immersing the upper extremity of the tube 4 in a vessel containing the oil to be used. In immersing the tip 4, however, in the manner specified the parts of the can would assume substantially the position shown in Fig. 2. While the extremity of the tube is immersed in this manner, the tube will be pulled outwardly slowly, so as to produce a partial vacuum in the oilchamber, which would be immediately occupied by oil which would flow up through the tube. The adjusting-wheel15 would then be advanced in the direction of the piston until it engaged with the cover so as to operate as a lock against the return of the piston by the spring.

In the construction of this can the feature of mounting the spring above the piston is considered advantageous, as it facilitates the removal of the spring to repair or renew the same.

In the operation of the oil-can the air in the upper part of the body finds outlet through the opening 3 when the piston advances within the body, as will be readily understood. For this reason air-holes in the upper portion or cover of the body are dispensed with.

In practice a plurality of nozzles could be used in connection with one body, which nozzles could be specially adapted for diflicult purposes. WVhile the manner described for filling the can is considered the preferred manner, the can may obviously be lilled by removing the nozzle, pouring oil into the tube 4, and advancing the piston toward the wheel as the level of oil rises within the body. The fact that the nozzle is removable, however, facilitates the filling of the can in the manner first suggested, as the tube being of muchenlarged diameter with respect to the opening at the tip of the nozzle a very short time is required for filling the can.

Having thus described our invention, we

claim as new and desire to secure by Letters Patent* 1. In an oil-can, in combination, a body having an oil-chamber, apiston movably mounted, a spring constraining said piston into said oil-chamber, a tubular member in communication with said oil-chamber and adapted to deliver oil, said body having an opening, said piston having a rod passing through said opening, and a member engaging said rod and limiting the movement thereof by said spring.

.2. In an oil-can, in combination, a body having a cover and an oil-chamber, a piston movably mounted in said body and adapted to compress oil in said chamber, a spring thrusting against said cover and against said piston, said cover having an opening therethrough, a tubular member passing through said opening, and a member-engaging said tubular member and seating upon said cover, to limit the inward movement of said piston.

3. In an oil-can, in combination, a body, the lower extremity whereof constitutes an oilchamber, a piston slidably mounted in said body and having a tubular rod extending therefrom and communicating with said oilchamber, said body having an opening through which said rod passes, a spring constraining said piston toward said oil-chamber, said rod being threaded, a threaded adjusting-wheel mounted upon said rod and engaging said body to limit the movement of said piston in the direction of said oil-chamber, and a removable nozzle attaching to said rod.

4. In an oil-can, in combination, a body, a piston slidably mounted therein and forming an oil-chamber within said body below the same, a cover for said body having an opening therethrough, a tubular rod makingthreaded engagement with said piston, a nut having an opening therethrough for locking said piston, a spring surrounding said rod within said body and thrusting against the said piston and said cover,said rod passing loosely through said opening in said cover and having a thread thereupon, a threaded adjustingwheel mounted on said thread and abutting against said cover, and a nozzle attaching to said rod.

In testimony whereof we have signed our names to this specification in the presence of two subscribing witnesses.

WILBUR MORRIS. CHARLES A. MOGLAIR. Witnesses:

(J. R. BEDDING, JOHN WALTER. 

